Bothhand USA. e-mail: [email protected] http://www.bothhandu.com 40 PIN SMD ETHERNET 10/100 BASE TX QUAD PORT TRANSFORMER Page :1/1 P/N: 40ST1129 DATA SHEET Feature z z z z 40-PIN SMD Package compatible with BROADCOM, NS,TMI, DAVICOM chips. Designed for multiport repeater and switched Ethernet applications Utilizing single RJ-45 connectors Operating temperature range: 0℃ to +70℃. Storage temperature range: -25℃to +125℃. Electrical Specifications @ 25°C Turns Ratio Part Number 40ST1129 TX 1CT:1CT L.L (uH Max) Cw/w HI-POT @100KHz/0.1V 8mA DC Bias TX&RX (pF Max) ( Vrms) 350 0.5 28 1500 OCL (uH Min) (±5%) RX 1:1 Continue Insertion Loss (dB Max) Part Number 40ST1129 Return Loss (dB Min) 0.3-100 MHz 0.3-30MHz -1.15 Schematic -16 30-60MHz 60-80MHz -12 -10 Cross Talk (dB Min) DCMR Insulation (dB Min) Resistance 0.3-100MHz 1-60 MHz 60-100 MHz ( MΩ) -38 -37 -25 10,000 Mechanical 462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434 A6(02/06)